/* eslint-disable */
/* Blob.js*/
 
/*global self, unescape */
/*jslint bitwise: true, regexp: true, confusion: true, es5: true, vars: true, white: true,
  plusplus: true */
 
/*! @source http://purl.eligrey.com/github/Blob.js/blob/master/Blob.js */
 
(function (view) {
  "use strict";

  view.URL = view.URL || view.webkitURL;

  if (view.Blob && view.URL) {
      try {
          new Blob;
          return;
      } catch (e) {
      }
  }

  // Internally we use a BlobBuilder implementation to base Blob off of
  // in order to support older browsers that only have BlobBuilder
  var BlobBuilder = view.BlobBuilder || view.WebKitBlobBuilder || view.MozBlobBuilder || (function (view) {
      var
          get_class = function (object) {
              return Object.prototype.toString.call(object).match(/^\[object\s(.*)\]$/)[1];
          }
          , FakeBlobBuilder = function BlobBuilder() {
              this.data = [];
          }
          , FakeBlob = function Blob(data, type, encoding) {
              this.data = data;
              this.size = data.length;
              this.type = type;
              this.encoding = encoding;
          }
          , FBB_proto = FakeBlobBuilder.prototype
          , FB_proto = FakeBlob.prototype
          , FileReaderSync = view.FileReaderSync
          , FileException = function (type) {
              this.code = this[this.name = type];
          }
          , file_ex_codes = (
              "NOT_FOUND_ERR SECURITY_ERR ABORT_ERR NOT_READABLE_ERR ENCODING_ERR "
              + "NO_MODIFICATION_ALLOWED_ERR INVALID_STATE_ERR SYNTAX_ERR"
          ).split(" ")
          , file_ex_code = file_ex_codes.length
          , real_URL = view.URL || view.webkitURL || view
          , real_create_object_URL = real_URL.createObjectURL
          , real_revoke_object_URL = real_URL.revokeObjectURL
          , URL = real_URL
          , btoa = view.btoa
          , atob = view.atob

          , ArrayBuffer = view.ArrayBuffer
          , Uint8Array = view.Uint8Array

          , origin = /^[\w-]+:\/*\[?[\w\.:-]+\]?(?::[0-9]+)?/
      ;
      FakeBlob.fake = FB_proto.fake = true;
      while (file_ex_code--) {
          FileException.prototype[file_ex_codes[file_ex_code]] = file_ex_code + 1;
      }
      // Polyfill URL
      if (!real_URL.createObjectURL) {
          URL = view.URL = function (uri) {
              var
                  uri_info = document.createElementNS("http://www.w3.org/1999/xhtml", "a")
                  , uri_origin
              ;
              uri_info.href = uri;
              if (!("origin" in uri_info)) {
                  if (uri_info.protocol.toLowerCase() === "data:") {
                      uri_info.origin = null;
                  } else {
                      uri_origin = uri.match(origin);
                      uri_info.origin = uri_origin && uri_origin[1];
                  }
              }
              return uri_info;
          };
      }
      URL.createObjectURL = function (blob) {
          var
              type = blob.type
              , data_URI_header
          ;
          if (type === null) {
              type = "application/octet-stream";
          }
          if (blob instanceof FakeBlob) {
              data_URI_header = "data:" + type;
              if (blob.encoding === "base64") {
                  return data_URI_header + ";base64," + blob.data;
              } else if (blob.encoding === "URI") {
                  return data_URI_header + "," + decodeURIComponent(blob.data);
              }
              if (btoa) {
                  return data_URI_header + ";base64," + btoa(blob.data);
              } else {
                  return data_URI_header + "," + encodeURIComponent(blob.data);
              }
          } else if (real_create_object_URL) {
              return real_create_object_URL.call(real_URL, blob);
          }
      };
      URL.revokeObjectURL = function (object_URL) {
          if (object_URL.substring(0, 5) !== "data:" && real_revoke_object_URL) {
              real_revoke_object_URL.call(real_URL, object_URL);
          }
      };
      FBB_proto.append = function (data/*, endings*/) {
          var bb = this.data;
          // decode data to a binary string
          if (Uint8Array && (data instanceof ArrayBuffer || data instanceof Uint8Array)) {
              var
                  str = ""
                  , buf = new Uint8Array(data)
                  , i = 0
                  , buf_len = buf.length
              ;
              for (; i < buf_len; i++) {
                  str += String.fromCharCode(buf[i]);
              }
              bb.push(str);
          } else if (get_class(data) === "Blob" || get_class(data) === "File") {
              if (FileReaderSync) {
                  var fr = new FileReaderSync;
                  bb.push(fr.readAsBinaryString(data));
              } else {
                  // async FileReader won't work as BlobBuilder is sync
                  throw new FileException("NOT_READABLE_ERR");
              }
          } else if (data instanceof FakeBlob) {
              if (data.encoding === "base64" && atob) {
                  bb.push(atob(data.data));
              } else if (data.encoding === "URI") {
                  bb.push(decodeURIComponent(data.data));
              } else if (data.encoding === "raw") {
                  bb.push(data.data);
              }
          } else {
              if (typeof data !== "string") {
                  data += ""; // convert unsupported types to strings
              }
              // decode UTF-16 to binary string
              bb.push(unescape(encodeURIComponent(data)));
          }
      };
      FBB_proto.getBlob = function (type) {
          if (!arguments.length) {
              type = null;
          }
          return new FakeBlob(this.data.join(""), type, "raw");
      };
      FBB_proto.toString = function () {
          return "[object BlobBuilder]";
      };
      FB_proto.slice = function (start, end, type) {
          var args = arguments.length;
          if (args < 3) {
              type = null;
          }
          return new FakeBlob(
              this.data.slice(start, args > 1 ? end : this.data.length)
              , type
              , this.encoding
          );
      };
      FB_proto.toString = function () {
          return "[object Blob]";
      };
      FB_proto.close = function () {
          this.size = 0;
          delete this.data;
      };
      return FakeBlobBuilder;
  }(view));

  view.Blob = function (blobParts, options) {
      var type = options ? (options.type || "") : "";
      var builder = new BlobBuilder();
      if (blobParts) {
          for (var i = 0, len = blobParts.length; i < len; i++) {
              if (Uint8Array && blobParts[i] instanceof Uint8Array) {
                  builder.append(blobParts[i].buffer);
              }
              else {
                  builder.append(blobParts[i]);
              }
          }
      }
      var blob = builder.getBlob(type);
      if (!blob.slice && blob.webkitSlice) {
          blob.slice = blob.webkitSlice;
      }
      return blob;
  };

  var getPrototypeOf = Object.getPrototypeOf || function (object) {
      return object.__proto__;
  };
  view.Blob.prototype = getPrototypeOf(new view.Blob());
}(
  typeof self !== "undefined" && self
  || typeof window !== "undefined" && window
  || this
));